Super long runtime with solid basic navigation - an eTrex with solar panel. eTrex series navigators have always offered long battery runtimes.
Garmin eTrex® Solar
Review: Garmin Instinct 2S Solar - BASE Magazine
Garmin eTrex® Solar, GPS Handheld Navigator, Unlimited Battery Life, Water Resistant : Electronics
Stay on track and explore longer. The eTrex Solar delivers unlimited battery life with solar charging when used in sunny conditions (75, 000 lux) or up to 200 hours with no solar charging. Multi-band GPS provides access to multiple frequencies sent by navigation satellites for superior positional accuracy. View waypoints, track your location, and find your way back to favorite spots on the 2.2 high-contrast display.
Garmin eTrex Solar GPS
Garmin Instinct 2 GPS Watch Review
The Garmin eTrex Solar can give you infinite battery life
The Garmin eTrex Solar Review: Cut the Cord and Get Lost
Garmin eTrex® Solar, GPS Handheld Navigator, Unlimited Battery Life, Water Resistant : Electronics
The Garmin eTrex Solar Review: Cut the Cord and Get Lost
Garmin eTrex® Solar, GPS Handheld Navigator, Unlimited Battery Life, Water Resistant : Electronics